[ 0.263519] sun8iw20-pinctrl 2000000.pinctrl: 2000000.pinctrl supply vcc-pe not found, using dummy regulator
[ 0.264151] uart uart0: get regulator failed
[ 0.264182] uart uart0: uart0 supply uart not found, using dummy regulator
[ 0.264610] uart0: ttyS0 at MMIO 0x2500000 (irq = 18, base_baud = 1500000) is a SUNXI
[ 0.264643] sw_console_setup()1808 - console setup baud 115200 parity n bits 8, flow n
[ 1.069132] printk: console [ttyS0] enabled
[ 1.075175] misc dump reg init
上面是我的正常的log，
应该是你的 dts 没改好，按我那个帖子里面的 dts 改 uart 引脚配置就可以。
